CVE-2022-41743: f5 nginx ingress controller Out-of-bounds Write

Vulnerability summary

CVE-2022-41743 is a high (CVSS 7.0) Out-of-bounds Write vulnerability in f5 nginx ingress controller. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 12.9% of scored vulnerabilities.

Timeline

1. 19-10-2022
   PublishedVulnerability first disclosed.
2. 08-05-2025
   Last modifiedVulnerability information updated.

Description

NGINX Plus before versions R27 P1 and R26 P1 have a vulnerability in the module ngx_http_hls_module that might allow a local attacker to corrupt NGINX worker memory, resulting in its crash or potential other impact using a specially crafted audio or video file. The issue affects only NGINX Plus when the hls directive is used in the configuration file. Further, the attack is possible only if an attacker can trigger processing of a specially crafted audio or video file with the module ngx_http_hls_module.

• CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.